/Engine/Source/Runtime/MeshDescription/Public/MeshDescription.h
Return adjacent triangles to this triangle
[TArray](API\Runtime\Core\Containers\TArray)< [FTriangleID](API\Runtime\MeshDescription\FTriangleID) > GetTriangleAdjacentTriangles ( const [FTriangleID](API\Runtime\MeshDescription\FTriangleID) TriangleID ) const